Ontario Planet bids #2025

Downtown Ontario water-main replacement and street restoration — Project UT1065

The City of Ontario is seeking a construction contractor for downtown water-main improvements and street restoration under Project UT1065. - Buyer: City of Ontario Municipal Utilities Company (OMUC), Municipal Utilities department, Utilities Engineering Division. - Project scope: Replace and upsize water mains across the alley above 4th Street and Baker, Belmont, Emporia, Lemon, Plum, State, Sultana, Transit, and Vine streets/avenues. The bid schedule lists 1,300 LF of 8-inch main, 6,600 LF of 12-inch main, 600 LF of 8-inch alley main, 1,500 LF of 18-inch main, and 9,100 LF of existing main to be abandoned in place. - Main materials and quantities: Cement-mortar-lined and coated welded steel pipe; three 24-inch casing locations totaling 292 LF with matching 12-inch carrier pipe; 12 8-inch and 45 12-inch gate valves; 10 18-inch and 4 16-inch butterfly valves; 30 hydrant assemblies; 6 blow-off assemblies; 12 air-release/vacuum-valve assemblies; and 87 one-inch copper water services (83 standard and 4 in-place installations). - Other scheduled work: 26 connections to existing mains, 83 water-service and meter-box abandonments, removal of 21 hydrants, utility conflict work, temporary highline and traffic measures, water-main testing and disinfection, corrosion protection, and pavement restoration. Pavement quantities include 102,700 SF of cold-plane removal and 98,500 SF of 2-inch overlay, plus asphalt base pavement and concrete driveway restoration. - Notable requirements: Maintain continuous water service, with customer outages limited to six hours unless otherwise approved; provide testing, disinfection, bacteriological testing, and corrosion monitoring/protection; and submit engineer-prepared design calculations and shop drawings for trenchless casing work. The contractor must hold a California A-General Engineering Contractor license and comply with prevailing-wage and public-works registration requirements. Work is to be completed within 303 calendar days, beginning 10 calendar days after the Notice to Proceed. - OEMs and vendors: No product OEMs or specific equipment vendors are identified. Named coordination organizations include San Bernardino County Flood Control District, Union Pacific Railroad, Southern California Gas Company, and Southern California Edison.

Description

The City of Ontario Municipal Utilities Company seeks bids for domestic water system capital improvements in downtown Ontario. The work includes replacing approximately 10,292 linear feet of existing water mains with 8-, 12-, and 18-inch cement-mortar-lined, coated welded steel pipe, along with replacing valves, appurtenances, and fire hydrants. The project also includes traffic control, pavement repair, and street restoration at multiple locations. Bids must be submitted electronically, and the project is to be completed within 303 calendar days.

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